Black chassis completely drilled and printed together with bottom closure, all electronic components, P.S. transfomer, output transformers 4-8 hms tapers, 2 x  300B tubes, 2 x 12 AX7 tubes, keramic tube sockets, Royal Device main caps, choke, internal cables, P.C.B., all the screws, Hi-End volume pot,  power chord, power switch, fuse,  Blu led, hi-end golden connectors for speakers and RCA input. Complete electronic schematics and manual.

KIT RD-300B  -   8+8  WATTS - Including Transformer COVERS

NEVER included into the  KIT:

The frontal ALUMINIUM 10 mm panel, the volume KNOB and the shipment.

for more informations please enquire: Roberto Delle Curti

 Schematic diagram (one channel shown)

Assembling sequence

Internal cabling

Back view

Amplifier view without transformer covers - Frontal panel not included into the KIT

Amplifier view with transformer covers - Frontal panel not included into the KIT

R.M.S. Power

10 Watt continuous per channel - RD-300B-10

8 Watts continuous per channel - RD-300B-8

Frequency Response

25Hz to 20,000Hz (25 Hz -1 dB - 20.000 Hz -3 dB)

Harmonic Distortion

less than 1% at 1W

Sensitivity

800 mVolt

Tube Complement

2 x ECC83/12AX7, 2 x 300B

S/N Ratio

- 89dB

Power Consumption

110W - 230 Volt or 115 Volt AC

Dimension(W x D x H)

320 x 285 x 220mm

Weight

13.5Kg

Chassis Finish

Black with SILVER 10 mm aluminum  front panel with external volume level control - Blue power led

Remarks

RCA Socket, Speaker Post, Ext HUM adjustment, NO Feed Back even locally - DUAL MONO layout - One triode stage + 300 B stage, ONLY one coupling capacitor  (ALIANTE AUDIOCAP) - Pi-grec filtering with Inductive power supply and Royal Device HI-GRADE filtering capacitors. DC power supply on 300B filaments (56,000 uFarad total filtering).