300 WPC MONO BLOCKS !
WORLD CLASS THETA MONOBLOCKS !
These have the Upgraded Dual Reich Binding Posts very rare and this upgrade when they were purchased new was 1500 just for the posts.
These are now available and this is a great opportunity.
Came from a smoke free and clean home.
Amazing condition as you see in the pics.
In Original Theta Boxes !
They are in perfect working condition and will bring you years of enjoyment. Smoke free and perfectly clean environment..
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Feel free to call me anytime 11AM -10PM eastern time to discuss these items or any of the great items we represent.
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These are 300-350 Watts at 8ohms and will deliver 525 Watts at 4ohms..
The Enterprise is a 300 Watt monoblock power amplifier, based on the original Citadel and the Dreadnaught II. It benefits from the knowledge, research and dedication that Theta Digital brought to those superlative designs.
The heart of the Enterprise is its fully-balanced differential, zero-feedback circuitry, with meticulously selected solid-state devices throughout. We scrutinize the selection to optimize component parts in each and every stage, and for the performance of the amplifier as a whole.
The sound is similar to the original Citadel amps in veracity and intimacy with the musical experience, and in the prospect of movie performance that will make your home theater your favorite movie palace.
The audio board is a four layer glass-epoxy circuit board: one layer each for positive and negative supply lines, one layer for ground plane, and one layer for the signal path. Its transistors are the same ultra-fast devices that helped give the original Citadel and the Dreadnaught II their superlative sonic signature. The Enterprise uses the same bridge rectifier, mother board, and capacitive banks as the original Citadel did!
Its output power supply uses a single, high-current 480 Watt toroid transformer, which feeds an ultra-fast / soft-recovery 35 Amp full bridge rectifier. The power supply lines are then filtered by two capacitive banks totaling a hefty 80,000 uF. The sonic result of these very clean supply lines to the output transistors is exceeded only by the original Citadel on which it was modeled.
The Enterprise is an exercise in delivering tremendous power with absolute integrity.
1 Single-ended RCA jack.
1 Balanced (XLR) jack.
50KOhm. Single-Ended or Balanced, for each phase.
(Single-Ended) 2.8V RMS input for 300W into 8 ohms.
(Balanced) 1.4V RMS input for 300W into 8 ohms.
(Single-Ended) 25dB (18x).
(Balanced) 31dB (36x).
(Balanced) Pin-2 = Positive, Pin-3 = Negative for Non-Inverting Output.
Analog Audio Outputs
1 balanced output (Cardas Type standard)
Standby: Amplifier is muted and output bias is reduced to 10%.
Thermal: Channel has overheated; amp automatically switches to Standby.
(8 ohms) 300 W (rated) 350 W (typical)
(4 ohms) 500 W (rated) 525 W (typical)
(-3dB points @ full power) 0.5 Hz - 400 KHz.
Signal to Noise Ratio
117 VAC, 10A Slo Blo main fuse, 230 VAC, 6A Slo Blo main fuse, 50-60 Hz.
30W @ Standby; 53W @ idle; 525W @ full power into 8 Ohms; 925W @ 4 ohms.
5-12 VDC Pulse between 1 and 500mS.
9 1/16" W x 13 7/8" H x 23 5/8" D (230 x 346 x 600 mm)
51 Lbs. Stand alone (19 Kg)
60 Lbs. Boxed with accessories (22.4 Kg)
Maxumium Operating Temperature
Internal: 176° F (80° C)
Room: 131° F (55° C)