{"id":6616,"date":"2025-01-22T13:29:13","date_gmt":"2025-01-22T06:29:13","guid":{"rendered":"https:\/\/hifitower.co.th\/shop\/?post_type=product&p=6616"},"modified":"2025-01-22T13:32:54","modified_gmt":"2025-01-22T06:32:54","slug":"quad-303","status":"publish","type":"product","link":"https:\/\/hifitower.co.th\/shop\/product\/quad-303\/","title":{"rendered":"QUAD 303"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"

[su_tabs][su_tab title=\"Overview<\/strong>\" disabled=\"no\" anchor=\"\" url=\"\" target=\"blank\" class=\"\"]Quad303 is a Class AB power amplifer that combines its retro aesthetic with modern performance and stability.Thanks to the triples output stage,it delivers a clean,precise and musically warm reproduction that impresses at both low and high volumes.The controlled bass reproductiob, clear mids and detailed highs create a balanced.[\/su_tab]
\n[su_tab title=\"Specifications<\/strong>\" disabled=\"no\" anchor=\"\" url=\"\" target=\"blank\" class=\"\"]<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
General Description<\/td>\nPower Amplifier<\/td>\n<\/tr>\n
Design Philosophy and Core Technology<\/td>\nClass AB Power Amplifier
\nQUAD 303 Triples Output Stage
\nCustom 200VA Toroidal Transformer
\nStereo\/Bridge mode selection<\/td>\n<\/tr>\n
Inputs<\/td>\n1 x Line, 1 x XLR<\/td>\n<\/tr>\n
Outputs<\/td>\n1 x 12V Trigger
\n1 x Stereo Speaker, 1 x 12V Trigger (Link)<\/td>\n<\/tr>\n
Power Amplifier Section<\/td>\n<\/td>\n<\/tr>\n
Gain<\/td>\n+29dB<\/td>\n<\/tr>\n
Rated Power Output<\/td>\nStereo: 2 x 50W (8 ohms, THD<1%)
\nStereo: 2 x 70W (4 ohms, THD<1%)
\nBridged: 140W (8 ohms, THD<1%)
\nBridged: 170W (4 ohms, THD<1%)<\/td>\n<\/tr>\n
Frequency Response<\/td>\n20Hz – 20kHz (+\/-0.3dB)<\/td>\n<\/tr>\n
Total Harmonic Distortion (THD)<\/td>\n<0.002% (1kHz)<\/td>\n<\/tr>\n
Input Impedance<\/td>\n15k ohms (Line)
\n22k ohms (XLR)<\/td>\n<\/tr>\n
Input Sensitivity<\/td>\n700mVrms (Line)
\n1.5Vrms (XLR)<\/td>\n<\/tr>\n
Signal-to-Noise Ratio (S\/N)<\/td>\n> 108dB (A – weighted)<\/td>\n<\/tr>\n
Max. Output Current<\/td>\n10A<\/td>\n<\/tr>\n
General<\/td>\n<\/td>\n<\/tr>\n
Standby Power Consumption<\/td>\n<0.5W<\/td>\n<\/tr>\n
Net Weight<\/td>\n8.4kg<\/td>\n<\/tr>\n
Gross Weight<\/td>\n9.5kg<\/td>\n<\/tr>\n
Dimensions (mm) (W x H x D)<\/td>\n120 x 176 x 325<\/td>\n<\/tr>\n
Carton Size (mm) (W x H x D)<\/td>\n226 x 312 x 462<\/td>\n<\/tr>\n
Finish<\/td>\nClassic QUAD Grey<\/td>\n<\/tr>\n
Power Requirements (depending on region)<\/td>\n220 – 240V – 50 \/ 60Hz
\n100 – 120V – 50 \/ 60Hz<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

[\/su_tab] [su_tab title=\"\" disabled=\"no\" anchor=\"\" url=\"\" target=\"blank\" class=\"\"][\/su_tab][\/su_tabs]
\n\"\"\"\"<\/p>\n","protected":false},"featured_media":6636,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_cat":[169],"product_tag":[366,436],"_links":{"self":[{"href":"https:\/\/hifitower.co.th\/shop\/wp-json\/wp\/v2\/product\/6616"}],"collection":[{"href":"https:\/\/hifitower.co.th\/shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/hifitower.co.th\/shop\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/hifitower.co.th\/shop\/wp-json\/wp\/v2\/comments?post=6616"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hifitower.co.th\/shop\/wp-json\/wp\/v2\/media\/6636"}],"wp:attachment":[{"href":"https:\/\/hifitower.co.th\/shop\/wp-json\/wp\/v2\/media?parent=6616"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/hifitower.co.th\/shop\/wp-json\/wp\/v2\/product_cat?post=6616"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/hifitower.co.th\/shop\/wp-json\/wp\/v2\/product_tag?post=6616"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}