REFERENCE SERIES

M - 7B SINGLE - ENDED TUBE POWER AMPLIFIER

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HAND MADE , SPECIAL EDITION
TEFLON PRINTED CIRCUIT CARD
Parts: "Black Gate", "Jensen", "Caddock", "Alps","WBT"

DIRECT THREE LINE INPUTS
COVER PANEL BIAS MEASURMENT AND ADJUST PLATE CURRENT OF THE OUTPUT TUBES -300B, KT88
NON -MAGNETIC ALUMINIUM CASING FOR EXCLUDING MAGNETIC DISTORTION CAUSED

TUBES

300B (2), KT88 (2), 6F12P (1)

CIRCUIT TYPE

SINGLE - ENDED, NO NFB, WHITE CATHODE FOLLOWER OUTPUT STAGE, CLASS "A", OUTPUT AUTOFORMER

POWER OUTPUT / 3% THD

25 watts into 8 ohms

MUSICAL POWER

57 watts into 8 ohms

THD - 0,02/ 0,2 / 2 / 20 watts

0,05 / 0,15 / 0,5 / 3 %

SIGNAL - TO - NOISE RATIO

> -95 dB (A - Weighted)

FREQUENCY RESPONSE

3,3 Hz - 170 kHz 3 dB at 1 watt

POWER BANDWIDTH

3 Hz - 170 kHz - 3 dB

SLEW RATE

15 Volts / microsecond

INPUT SENSITIVITY / IMPED.

1,5 Volts / 10 kohms

OUTPUT IMPEDANCE

"Out -8 / 4 ohms" - 0,85 / 0,54 ohms

POWER SUPPLY CAPACITORS

4200 F / 270 joules

POWER CONSUMPTION

200 watts ( 230 V, 50/60 Hz )

WEIGHT

25 kg ( 27 kg packed )

DIMENSION

282 (W) x 220 (H) x 502 (D) mm - Gold

260(W) x 209 (H) x 500 (D) mm - Glass

"PPP" - TUBE POWER AMPLIFIER M - 3 SUPER
TUBES

EL 34 (4), 6N30P (3), 6922 (1), OB2 (1)

CIRCUIT TYPE

"PUSH -PULL PARALLEL", NO NFB, CATHODE FOLLOWER OUTPUT STAGE, CLASS "A", OUTPUT AUTOFORMER, MONO

POWER OUTPUT / 3% THD

70 watts into 8 ohms

MUSICAL POWER

100 watts into 8 ohms

THD - 0,05/ 0,5 / 5 / 50 watts

0,05 / 0,04 / 0,1 / 0,6 %

SIGNAL - TO - NOISE RATIO

> -91 dB ( A - Weighted )

FREQUENCY RESPONSE

5,8 Hz - 170 kHz 3 dB at 1 watt

POWER BANDWIDTH

3 Hz - 170 kHz - 3 dB

SLEW RATE

19 Volts / s

INPUT SENSITIVITY / IMPED.

2,5 Volts / 10 kohms

OUTPUT IMPEDANCE

"Out -8 / 4 ohms" - 1,5 / 0,8 ohms

POWER SUPPLY CAPACITORS

5700 F / 320 joules

POWER CONSUMPTION

210 watts ( 220 V, 50 Hz )

WEIGHT

21 kg ( 23 kg packed )

DIMENSION

217 (W) x 180 (H) x 458 (D) mm

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HAND MADE , SPECIAL EDITION
Volume circuitry, hand wired - "Point - To - Point"
Parts: "Black Gate", "Jensen", "Alps","WBT"

DIRECT LINE INPUT
NON -MAGNETIC ALUMINIUM CASING FOR EXCLUDING MAGNETIC DISTORTION CAUSED
OXYGEN -FREE COPPER (OFC) FOR ALL SIGNAL, POWER AND PC TRACES WITH TEFLON COATING AND CORRECT DIRECTIVITY BY "KIMBER KABLE" AND "XLO-ELECTRIC"
POWER TRANSFORMER FOR LOW MECHANICAL NOICE AND LOW EXTERNAL MAGNETIC FIELD
HEIGT - ADJUSTED CONE LEGS

C - 9 Super LINE / HEADPHONE TUBE PREAMPLIFIER
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HAND MADE , SPECIAL EDITION
TEFLON PRINTED CIRCUIT CARD
Parts: "Black Gate", "Jensen", "Caddock", "Alps"

DIRECT THREE LINE INPUTS
NON -MAGNETIC ALUMINIUM CASING FOR EXCLUDING MAGNETIC DISTORTION CAUSED

TUBES

6B4G (4), 6AS7 (2), 6N30P(2), 12AX7(2), 0B2(1)

CIRCUIT TYPE

SINGLE - ENDED, NO NFB, WHITE CATHODE FOLLOWER OUTPUT STAGE, CLASS "A", TUBE STABILIZER, DUAL MONO MODE

MAXIMUM OUTPUT SIGNAL

30 Volts into 47 kohms

POWER OUTPUT (headphone)

2,42 watts into 200 ohms

1,0 watts into 50 ohms

THD - 0,63 / 2 / 6,3 / 20 Volts

0,04 / 0,07 / 0,18 / 0,6 %

SIGNAL - TO - NOISE RATIO

> -82 dB ( A - Weighted )

FREQUENCY RESPONSE

6 Hz - 1800 kHz 3 dB

SLEW RATE

> 250 Volts / s

INPUT SENSITIVITY / IMPED

92 mVolts / 10 kohms

OUTPUT IMPEDANCE

60 ohms

CHANNEL SEPARATION

> 89 dB

POWER CONSUMPTION

200 watts ( 230 V, AC 50/60 Hz )

WEIGHT

15 kg ( 17 kg packed ) / 19.6 kg - Glass

DIMENSION

278 (W) x 205 (H) x 477 (D) mm - Gold

260 (W) x 209 (H) x 486 (D) mm - Glass

BASIC SERIES

LINE / HEADPHONE TUBE PREAMPLIFIER C - 9
TUBES

6N30P (4), 6BM8 (2), 0B2 (2)

CIRCUIT TYPE

NO NFB, DC - INPUT, WHITE CATHODE FOLLOWER OUTPUT STAGE, CLASS "A", TUBE STABILIZER, DUAL MONO MODE

MAXIMUM OUTPUT SIGNAL

30 Volts

THD - 0,2/ 0,63 / 2 / 6,3 / 20 V

0,05 / 0,1 / 0,25 / 0,65 / 2%

SIGNAL - TO - NOISE RATIO

> -85 dB ( A - Weighted )

FREQUENCY RESPONSE

0,5 Hz - 5000 kHz 3 dB

SLEW RATE

250 Volts / s

INPUT SENSITIVITY / IMPED.

90 mV / 10 kohms

OUTPUT IMPEDANCE

15 ohms

CHANNEL SEPARATION

> 95 dB

INPUT SEPARATION

> 65 dB

POWER CONSUMPTION

77 watts ( 220 V, 50 Hz )

WEIGHT

7,5 kg ( 8 kg packed )

DIMENSION

278 (W) x 170 (H) x 477 (D) mm

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HAND MADE , SPECIAL EDITION
Parts: "Black Gate", "Jensen", "Alps"

 

DIRECT TWO LINE INPUT
NON -MAGNETIC ALUMINIUM CASING FOR EXCLUDING MAGNETIC DISTORTION CAUSED
OXYGEN -FREE COPPER (OFC) FOR ALL SIGNAL, POWER AND PC TRACES WITH TEFLON COATING AND CORRECT DIRECTIVITY BY "KIMBER KABLE" AND "XLO -ELECTRIC"

C - 7 Super TUBE PHONE PREAMPLIFIER

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HAND MADE , SPECIAL EDITION
Parts: "Black Gate", "Jensen"

 

DIRECT THREE LINE INPUT
NON -MAGNETIC ALUMINIUM CASING FOR EXCLUDING MAGNETIC DISTORTION CAUSED
OXYGEN -FREE COPPER (OFC) FOR ALL SIGNAL, POWER AND PC TRACES WITH TEFLON COATING AND CORRECT DIRECTIVITY BY "KIMBER KABLE" AND "XLO -ELECTRIC"

TUBES

6922 (4), 6BM8 (2), 0B2 (2)

CIRCUIT TYPE

ALL-STAGE SRPP, NO NFB, PASSIVE RIAA,DC - INPUT, TUBE STABILIZER, DUAL MONO

MAXIMUM OUTPUT SIGNAL

40 Volts

MAXIMUM INPUT

940 mV (1 kHz)

THD - 1 / 3 / 10 / 30 Volts

0,1 / 0,3 / 1 / 4 %

SIGNAL - TO - NOISE RATIO

> -82 dB (A - Weighted, output - 1 volts)

FREQUENCY RESPONSE

6 Hz - 950 kHz 3 dB (C load =100 pF)

6 Hz - 1200 kHz 3 dB (C load =22 pF)

INPUT SENSITIVITY / IMPED.

5 mV / (output 0,245 volts) / 47 kohms

GAIN

47 (33,4 dB)

OUTPUT IMPEDANCE

900 ohms

CHANNEL SEPARATION

> 90 dB

POWER CONSUMPTION

44 watts (220 V, AC 50 Hz)

WEIGHT

7,8 kg (8,3 kg packed )

DIMENSION

278 (W) x 170 (H) x 455 (D) mm

MONO 3/2 WAY TUBE PASSIVE ELECTRONIC CROSSOVER PREAMPLIFIER EC - 1
TUBES

6SN7GT (5), 6BM8 (1), 0B2 (1)

CIRCUIT TYPE

NO NFB, DC -TWO INPUT, PASSIVE FILTER,TUBE STABILIZER, TREBLE TONE CONTROL, MONO

MAXIMUM OUTPUT SIGNAL

> 3 Volts

THD - 0,25/ 0,8 / 2,5 V

0,2 / 0,4 / 2 %

SIGNAL - TO - NOISE RATIO
(A - Weighted)

>- 80 dB ("LOW")

>- 74 dB ("MID")

>- 74 dB ("HIGH")

FREQUENCY RESPONSE

1 Hz - 160 kHz 3 dB (3 - way crossover)

13 Hz -160 kHz 3 dB (2 - way crossover)

HIGH FREQUENCY, low channel
(mode switch)

50, 55, 60, 65, 70, 75 Hz
85, 95, 105, 115, 120, 130 Hz

LOW FREQUENCY, mid channel
(mode switch)

50, 55, 57, 60, 65, 70 Hz
90, 95, 100, 110, 115, 120 Hz

HIGH FREQUENCY, mid channel
(mode switch)

250, 300, 330, 380, 400, 450 Hz
2,5; 3; 3,5; 4,5; 5; 6 kHz

LOW FREQUENCY, (high channel
(mode switch)

180, 250, 330, 400, 500, 550 Hz
1,8; 2,5; 3,3; 4; 5; 5,5 kHz

MODE SWITCH SENSIT.CHAN.

0, -3, -6 dB

CHAN. LEVEL ATTENUATION

0, -1, -2, -3, -4, -5 dB (1 dB steps)

0, -0,2; -0,4; -0,6; -0,8 dB (0,2 dB steps)

INPUT SENSITIVITY

0,4 V

INPUT IMPEDANCE

5, 10, 20, 40, 80 kohms (switch selectable load)

GAIN

2,53 (+7dB)

OUTPUT IMPEDANCE

500 ohms

CHANNEL SEPARATION

LOW > 80 dB (50 Hz)

MID > 70 dB (140 Hz)

HIGH > 50 dB (5000 Hz)

POWER CONSUMPTION

55 watts ( 220 V, 50 Hz )

WEIGHT

8,5 kg ( 10,5 kg packed )

DIMENSION

278 (W) x 169 (H) x 440 (D) mm

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HAND MADE , SPECIAL EDITION
Capacitors: "Black Gate", "Jensen", polystyrene, teflon
Resistors: "Caddock", "Alps", wirewound

 


2 -WAY OR 3 - WAY PASSIVE ELECTRONIC CROSSOVER, CROSSOVER FILTER SLOPE - 6 dB / octave GRADUALLY INCREASING TO 12 dB / octave


DIRECT TWO LINE INPUTS, VOLUME CONTROL - "LEVEL"


NON -MAGNETIC ALUMINIUM CASING FOR EXCLUDING MAGNETIC DISTORTION CAUSED


VOLUME CIRCUITRY, HAND WIRED - "POINT -TO -POINT"


OXYGEN -FREE COPPER (OFC) FOR ALL SIGNAL, POWER AND PC TRACES WITH TEFLON COATING AND CORRECT DIRECTIVITY BY "KIMBER KABLE" AND "XLO -ELECTRIC"


CERAMIC TUBE COCKETS, SILVER -PLATED METAL PARTS


POWER TRANSFORMER FOR LOW MECHANICAL NOICE AND LOW EXTERNAL MAGNETIC FIELD


HEIGT - ADJUSTED CONE LEGS

SF - 2
NETWORK FILTER

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HAND MADE , SPECIAL EDITION

POWER TRANSFORMER FOR LOW MECHANICAL NOICE AND LOW EXTERNAL MAGNETIC FIELD

 

CIRCUIT TYPE

SF-2 IS INTENDED FOR PROTECTION OF AUDIO UNITS FROM ANY PULSE OVER STRESSING AND HIGH FREQUENCY INTERFERENCES

TOTAL RATED POWER

500 watts

NOMINAL INPUT VOLTAGE

220 V ( 50 / 60 Hz )

RATED POWER OF A LOAD ON OUTPUTS

100 / 100 / 300 watts

REJECTION OF VOLTAGE ON OUTPUTS UNDER A LOAD

< 5 %

PERMISSIBLE LONG DURATION EXCESS OF PRIMARY VOLTAGE

< 10 %

WEIGHT

13,2 kg ( 13,8 kg packing )

DIMENSION

148 (W) x 158 (H) x 403 (D) mm