BLACK FRIDAY COUNTDOWN! CODA 5.5 SENSIBLY PRICED REFERENCE CLASS A PERFORMANCE AMPLIFIER
Listing ID: lisbgb1f Classified
Listed · 131 Views
Listed · 131 Views
| Condition | NEW |
| Payment methods |      |
Contact seller after sale to pay via VISA/Mastercard, American Express, Discover or Wire Transfer | |
| Ships from | PHOENIX, AZ, 85045 |
| Ships to | United States |
| Package dimensions | unspecified |
| Voltage | unspecified |
| Shipping carrier | UPS |
| Shipping cost | Specified after purchase |
| Original accessories | Remote Control, Box, Manual |
 Average | Research Pricing |
BUY WITH CONFIDENCE FROM A SEASONED AUDIOPHILE WITH 27+ YEARS OF PERFECT FEEDBACK!
AUDIOGON (SUNMOON -USERNAME), US AUDIOMART (SUNMOON59 USERNAME), DISTRIBUTOR / DEALER (HIGHRESHIFI)
NEW AND ALMOST NEW OPEN BOX DEMOS AVAILABLE AT HIGHLY DESIRABLE PRICING!
CODA products are the hidden gems of high-end audiophile amplification without the outrageous pricing of the recognized brands, ONE OF THE BEST KEPT SECRETS IN HIFI!
The 5.5 competes with the very best 50W per channel PURE Class A amplifiers from Accuphase, Gryphon, Pass Labs and others at a fraction of the price, a STEAL!
CODA
PURCHASE WITH CONFIDENCE FROM A LONG TERM AUDIOGONER / DISTRIBUTOR / DEALER WITH 25+ YEARS OF PERFECT FEEDBACK!
HighResHiFi LLC is the EXCLUSIVE US DISTRIBUTOR OF FINAL AUDIO ELECTROSTATIC SPEAKERS and an AUTHORIZED ONLINE DEALER PARTNER of CODA TECHNOLOGIES, offering Coda amplifiers and preamplifiers exclusively paired with FINALs,
Coda products are PERFORMANCE POWERHOUSES that offer reference level amplification technologies at sensible real-world pricing, perfectly aligned with FINAL ELECTROSTATICS product strategy!
They deliver exceptional performance and sound quality that is transparent, musical and dynamic, a revelation, surpassing the capabilities of many preamplifier and amplifier systems.
Coda products are highly regarded by the audiophile community and reviewers alike,
Refer to the rave reviews below;
Does anyone own the new Coda S5.5 amp? | What's Best Audio and Video Forum. The Best High End Audio Forum on the planet!
Coda Technologies Class A S5.5 Amplifier By Terry London
Audiogon Discussion Forum - The new Coda S5.5 amplifier: It's a "Petite Beast"!
DESIGN PHILOSOPHYThe front end of the S5.5 is designed to operate without ever entering Class B operation as is
common in many other designs. This combined with excellent high frequency design insures
linear operation at high speed, and translates into a sonic reproduction which is extremely
transparent in character. The supply take a very direct approach to high performance. First, a
top quality toroid transformer and over 80,000 uf of capacitance with very low ESR and
inductance is used. For optimum performance and reliability all circuitry remains continuously
powered.
The specifications are consistent with what would be expected in a high current Class A
amplifier design. In this design, however, an unusual degree of attention has been paid to
sonically meaningful parameters.
For example, the current stage is capable of producing peak currents in excess of 100
Amperes with a degree of linearity and speed which is not matched by other designs when
producing only a fraction of of this current. This is achieved by the implementation of several
distinct circuit features.
In the S5.5 extremely wide bandwidth output transistors are used instead of the usual TO3
devices which are used in other transistor designs. Each channel uses 30 individual output
transistors with a combined power rating of 1500 Watts and 120 Amperes with a bandwidth of
50 Mhz.
The manner in which the S5.5 accomplishes Class A operation is also different than that
employed in conventional designs. All Class A designs leave Class A operation when they are
operated into loads of sufficiently low impedance or power levels. Generally, this transition will
produce a large and abrupt distortion increase.
The S5.5 uses bias voltages and component values which have been specifically selected to
produce a precision transition with no abrupt changes in distortion or output impedance. This
“Precision Bias” technique yields seamless performance regardless of the complexity of the
load impedance and is particularly effective at eliminating a form of IM distortion which often
occurs in these instances.
To maintain “Precision Bias” requires an advanced bias circuit that must have a very high
degree of stability under a wide range of temperatures and load conditions. The usual bias
network is of such high impedance and poor thermal regulation that at the extremes of
operation, bias currents are ineffectively controlled. Advanced tracking techniques results in
absolute control of bias currents under all conditions in the S5.5.
The main power supply of the amplifier consists of a 1500VA toroidal power transformer with
independent rectifiers to isolate the channels from one another. Eighty thousand microfarads
of total capacitance provide effective filtering.
The above attributes result in a amplifier of such extreme linearity and bandwidth that no
overall feedback correction is required or used. One advantage of this is a high degree of
immunity from interactions with loads or cables and a superior transient response. An
extremely low non-reactive output impedance is maintained well beyond 20,000 Hz. The
resulting uniform damping factor is not usually found in other designs.
The S5.5 has all structural parts made of machined aluminum which are milled to very close
tolerances yielding the seamless appearance characteristic of previous products from Coda.
As with all Class A amplifiers, heat dissipation is important. The S5.5 uses four massive heat
sinks for efficient, noiseless, and clean thermal relief. The thermal coefficient of the heat sinks
is one of the lowest and most effective in the audio industry
STEREO
Rated Power: 50 Watts Class A @ 8 Ohms
Frequency Response: -3dB @ DC to 100kHz
Distortion: < .04% from 10Hz to 20kHz @ 50W
Gain: 26dB
Maximum Current: 100 Amperes peak per channel
Noise: Less than 120dB referenced to rated output
Input Impedance: 50k Ohms unbalanced/10k Ohms balanced
Output Impedance: .04 Ohms from 20Hz to 20kHz
BRIDGED MONO
Rated Power: 200 Watts @ 8 Ohms
Frequency Response: -3dB @ DC to 100kHz
Distortion: < .04% from 10Hz to 20kHz @ 50W
Gain: 26dB
Maximum Current: 100 Amperes peak per channel
Noise: Less than 120dB referenced to rated output
Input Impedance: 50k Ohms unbalanced/10k Ohms balanced
Output Impedance: .04 Ohms from 20Hz to 20kHz
POWER SUPPLY
Transformer Type: Multi-tap, multi-winding toroidal
Transformer Rating: 1500 VA
Power Filtering: 80,000 microfarad
DIMENSIONS
Height: 5.75"
Width: 17.5"
Depth: 12.5”
Weight: 45 lbs
Power requirement: 450 Watts maximum at rated power
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